Evernote CEO in No Rush for an IPO

Evernote Corp. Chief Executive Phil Libin likens his company's productivity app to an "external brain" that lets users collect notes, lists, clippings and other ephemera in a single digital hub.

The app's roughly 41 million users suggest there is demand for taming clutter: The Redwood City, Calif., company last spring received a $1 billion valuation in a $70 million round of venture funding, led by Meritech Capital and CBC Capital. Yet the firm, which doesn't disclose its revenues, says it isn't currently...